Valve Body Parameters
Nominal Size (DN) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
Valve Seat Diameter (dn) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
Rated Flow Coefficient (KV) | Single Seat | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 630 | 875 | 1250 |
Sleeve | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 360 | 570 | 850 | 1180 | |
Allowable Pressure (MPa) | Single Seat | 3.8 | 3.2 | 3.0 | 2.0 | 1.8 | 1.5 | 1.4 | 1.0 | 0,7 | 0.6 | 0.5 | 0.3 | 0.1 |
Sleeve | 6.4 | 6.4 | 5.2 | 5.2 | 4.6 | 4.6 | 3.7 | 3.7 | 3.5 | 3.1 | 3.1 | 2.6 | 2.2 | |
Nominal Pressure (MPa) | 1.6, 2.5, 4.0, 6.4, 10.0, 16.0, 25.0 | |||||||||||||
Rated travel (mm) | 16 | 25 | 40 | 60 | 100 | |||||||||
Bonnet | Standard Form (-17～+250℃), High-temperature Form (+250～+450℃), Low-temperature Form (-40～-196℃), Bellows Seal Form(-40～+350℃) | |||||||||||||
Bonnet type | Bolt Compression | |||||||||||||
Sealing gasket | V-type PTFE Filler, V-type Flexible Graphite Filler | |||||||||||||
Body Material | Carbon Steel(WCB, WCC), Stainless Steel(CF8, CF8M, CF3, CF3M, Duplex Stainless Steel 2520) | |||||||||||||
Trim Parameters
Structure | Single seat plunger type spool, Sleeve type spool |
Flow Characteristics | Linear, Equal Percentage |
Trim Material | Stainless Steel (304, 316, 316L) |
The matching actuator parameters are as follows:
Actuator Models | Imported (Rotork, Siemens, AUMA, Westbosch) and other customer-designated brands |
Main Technical Parameters | Power Supply Voltage: AC 220V, AC 380V; Special order DC 24V; (others) |
Input signal: 4-20mA or 1-5V•DC, Output signal: 4-20mA•DC; Special custom RS485 communication interface | |
Protection Level: Quite IP65, Explosion-proof Mark: ExdIIBT4 (optional BT6, CT4, CT6), Hand Function: Handle | |
Ambient Temperature: -25～+70℃, Ambient Temperature: ≤95% |
Performance Index
Item | Index Value | ||
Basic Error % | ±1.0 | ||
Return Error % | 1.0 | ||
Dead zone % | 1.0 | ||
Error Between Start Point and End Point % | Turn On | Start Point ±2.5 | End Point ±1.0 |
Start Point ±2.5 | End Point ±1.0 | ||
Turn Off | Start Point | ±1.0 | |
End Point | ±1.0 | ||
Rated travel difference % | ≤1.0 | ||
Leakage L/h | 0.01%×Valve Rated Capacity | ||
Adjustable Range R | 30：1 | ||
Product Overview
The series of electric regulating valve is combined with IQseries linear travel electric actuator and regulating valve.
The electric actuator outputs the axial thrust, which makes the valve core move accordingly, so as to adjust the process parameters such as pressure, flow, temperature and liquid level. The valve body has compact structure, small pressure drop loss, large flow, wide adjustable range, high accuracy of flow characteristic curve, and meets the IEC534-1-1976 standard.The valve core guide area is large, the shock resistance is good, the seat leakage is in accordance with ANSIB16.106 standard.
The actuator is the propulsion unit, which is powered by power and output thrust.The valve part is the adjusting part, contacting with the medium directly, regulating medium flow.
The ZRLP type single valve adopts a sealing surface, so the leakage volume is small, but the unbalanced thrust on the stem is large, which is suitable for the small pressure difference. ZRLN type double-seat valve with two sealing structure, so the leak quantity is big, but their role in the imbalance thrust on the valve stem is lesser, allow the pressure difference is bigger, compared with the sleeve valve, the valve is suitable for the medium viscosity larger occasions.This series of valves are widely used in chemical industry, petroleum, metallurgy, power plant and other industrial sectors.
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